GRIA3 and Alzheimer disease: For GluA3, expression levels were 0.011 ± 0.001 in young 3xTg-AD mice and 0.006 ± 0.001 in age-matched WT mice or 0.006 ± 0.001 in old 3xTg-AD animals and 0.013 ± 0.002 in age-matched WT mice.